Recombinant DNA is the answer
A mucous membrane or mucosa is a membrane that lines various cavities in the body and covers the surface of internal organs. It consists of one or more layers of epithelial cells overlying a layer of loose connective tissue...
Answer:
in the human body
Explanation:
Endogenous infectious agents are agents that cause the diseases and are normally located within the human body. Before causing the disease these agents are asymptomatic. Since, endogenous infection is caused by bacteria of human microflora it usually happens when barrier that is located between sterile and non-sterile tissues is damaged.
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